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EP0601435B1 - Sealing element for guiding the testing fluid - Google Patents

Sealing element for guiding the testing fluid Download PDF

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Publication number
EP0601435B1
EP0601435B1 EP93119243A EP93119243A EP0601435B1 EP 0601435 B1 EP0601435 B1 EP 0601435B1 EP 93119243 A EP93119243 A EP 93119243A EP 93119243 A EP93119243 A EP 93119243A EP 0601435 B1 EP0601435 B1 EP 0601435B1
Authority
EP
European Patent Office
Prior art keywords
sealing element
articles
guiding
sealing
sealing lip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93119243A
Other languages
German (de)
French (fr)
Other versions
EP0601435A1 (en
Inventor
Franz-Peter Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP0601435A1 publication Critical patent/EP0601435A1/en
Application granted granted Critical
Publication of EP0601435B1 publication Critical patent/EP0601435B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3418—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by pneumatic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/904—Pneumatic means for sensing condition or characteristic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/906—Sensing condition or characteristic of continuous tobacco rod

Definitions

  • the invention relates to a sealing element for guiding test air to or from rod-shaped articles of the tobacco processing industry, which consists of elastic material and has an axially displaceable bottom wall with a passage for the test air and an annular sealing lip which deforms radially depending on a displacement of the bottom wall.
  • a sealing element of the type mentioned is known from US Pat. No. 4,429,567, including its installation in a test device (test drum) and its mode of operation when testing cigarettes.
  • the problem underlying the invention relates to a development of the known sealing element in order to reduce the risk of damage from the articles.
  • the solution is that in the area in which the sealing lip and bottom wall adjoin one another on their surfaces adjacent to the articles (transition region), an annular depression facing away from the article end surface is provided.
  • annular recess has at least approximately the shape of a semicircle in a longitudinal section.
  • a preferred material is rubber, elastic plastic or silicone.
  • the invention has the advantage that the service life of the sealing element is improved because the articles have sharp edges the elastic material from which the sealing element is made can destroy less quickly.
  • the sealing element 1 for guiding test air to an article 8 of the tobacco processing industry, for. B. a cigarette, has a hollow cylindrical sealing body 2 made of rubber or rubber-elastic material, which can be a suitable elastic plastic, silicone or the like.
  • An inwardly extending bead 3 is used to fasten the sealing element on a holding body made of metal or plastic, not shown, as shown in US Pat. No. 4,429,567 (FIG. 1).
  • the sealing element 1 also has a bottom wall 4, in which there is a passage 6 for the test air, and a sealing lip 7.
  • the sealing element 1 can also be used to conduct test air from the article 8, that is, for. B. out of the cigarette serve. According to the invention, it can also be used for those test tasks in which an overpressure or underpressure is generated in the interior of the article, a pneumatic signal which is dependent on the condition of the casing being used as the measurement signal.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Hybrid Cells (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Description

Die Erfindung betrifft ein Dichtelement zum Leiten von Prüfluft zu oder von stabförmigen Artikeln der tabakverarbeitenden Industrie, das aus elastischem Material besteht und eine axial verschiebbare Bodenwand mit einem Durchlaß für die Prüfluft sowie eine sich in Abhängigkeit von einer Verschiebung der Bodenwand radial verformende ringförmige Dichtlippe aufweist.The invention relates to a sealing element for guiding test air to or from rod-shaped articles of the tobacco processing industry, which consists of elastic material and has an axially displaceable bottom wall with a passage for the test air and an annular sealing lip which deforms radially depending on a displacement of the bottom wall.

Ein Dichtelement der eingangs genannten Art ist aus der US-PS 4 429 567 einschließlich seines Einbaus in eine Prüfvorrichtung (Prüftrommel) und seiner Wirkungsweise beim Prüfen von Zigaretten bekannt.A sealing element of the type mentioned is known from US Pat. No. 4,429,567, including its installation in a test device (test drum) and its mode of operation when testing cigarettes.

Das der Erfindung zugrundeliegende Problem betrifft eine Weiterbildung des bekannten Dichtelementes zwecks Verringerung der Gefahr von Beschädigungen durch die Artikel.The problem underlying the invention relates to a development of the known sealing element in order to reduce the risk of damage from the articles.

Die Lösung besteht darin, daß in dem Bereich, in dem Dichtlippe und Bodenwand an ihren den Artikeln benachbarten Flächen aneinandergrenzen (Übergangsbereich), eine von der Artikelendfläche abgewandte ringförmige Vertiefung vorgesehen ist.The solution is that in the area in which the sealing lip and bottom wall adjoin one another on their surfaces adjacent to the articles (transition region), an annular depression facing away from the article end surface is provided.

Eine vorteilhafte Ausgestaltung der Erfindung besteht darin, daß die ringförmige Vertiefung in einem Längsabschnitt zumindest annähernd die Form eines Halbkreises hat. Ein bevorzugtes Material ist Gummi, elastischer Kunststoff oder Silikon.An advantageous embodiment of the invention consists in that the annular recess has at least approximately the shape of a semicircle in a longitudinal section. A preferred material is rubber, elastic plastic or silicone.

Die Erfindung weist den Vorteil auf, daß die Standzeit des Dichtelementes verbessert wird, weil scharfe Kanten der Artikel das elastische Material, aus dem das Dichtelement besteht, weniger schnell zerstören können.The invention has the advantage that the service life of the sealing element is improved because the articles have sharp edges the elastic material from which the sealing element is made can destroy less quickly.

Die Erfindung wird anhand eines ein Dichtelement im Längsschnitt und stark vergrößertem Maßstab zeigenden Ausführungsbeispiels näher erläutert.The invention is explained in more detail using an exemplary embodiment showing a sealing element in longitudinal section and on a greatly enlarged scale.

Das Dichtelement 1 zum Leiten von Prüfluft zu einem Artikel 8 der tabakverarbeitenden Industrie, z. B. einer Zigarette, weist einen hohlen zylindrischen Dichtkörper 2 aus Gummi oder gummielastischem Material, das ein geeigneter elastischer Kunststoff, Silikon oder dgl. sein kann, auf. Ein sich nach innen erstreckender Wulst 3 dient zum Befestigen des Dichtelementes auf einem nicht dargestellten Haltekörper aus Metall oder Kunststoff, etwa wie in der US-PS 4 429 567 (Figur 1) dargestellt. Das Dichtelement 1 weist außerdem eine Bodenwand 4, in der sich ein Durchlaß 6 für die Prüfluft befindet, sowie eine Dichtlippe 7 auf. Letztere verschiebt sich, wenn eine zu prüfende Zigarette 8 mit ihrem filterseitigen Ende 8a, gegen die Außenfläche 4a der Bodenwand 4 in Richtung des Pfeils 10 geschoben wird, so daß der Dichtlippenrand 9 radial nach innen (Pfeil 11) bewegt wird, bis er sich mit seiner Endfläche 9a ringförmig an die ringförmige Artikeloberfläche 8a anlegt und damit den Innenraum des Artikels gegen Atmosphäre abdichtet. In dem Übergangsbereich 12, in dem die dem Artikel 8, 8a benachbarten Flächen 4a der Bodenwand 4 und 9a des Dichtlippenrandes 9 aneinandergrenzen, ist eine dem Artikel abgewandte Vertiefung 13 eingebracht, die vorteilhaft die im Längsschnitt der Zeichnung dargestellte Halbkreisform hat, aber auch anders ausgebildete Formen als die dargestellte aufweisen kann. Die scharfe äußere Kante des Filterendes 8a befindet sich im Bereich der Vertiefung, so daß sie beim Andrücken der Zigarette 8 an die Bodenwand 4 zwecks Abdichtung keine Beschädigung der Fläche 4a verursachen kann.
Das Dichtelement 1 kann gemäß der Erfindung auch zum Leiten von Prüfluft von dem Artikel 8, also z. B. aus der Zigarette heraus, dienen. Es ist gemäß der Erfindung auch einsetzbar für solche Prüfaufgaben, bei denen im Inneren der Artikel ein Über- oder Unterdruck erzeugt wird, wobei ein vom Zustand der Umhüllung abhängiges pneumatisches Signal als Meßsignal verwendet wird.The sealing element 1 for guiding test air to an article 8 of the tobacco processing industry, for. B. a cigarette, has a hollow cylindrical sealing body 2 made of rubber or rubber-elastic material, which can be a suitable elastic plastic, silicone or the like. An inwardly extending bead 3 is used to fasten the sealing element on a holding body made of metal or plastic, not shown, as shown in US Pat. No. 4,429,567 (FIG. 1). The sealing element 1 also has a bottom wall 4, in which there is a passage 6 for the test air, and a sealing lip 7. The latter shifts when a cigarette 8 to be tested is pushed with its filter-side end 8a against the outer surface 4a of the bottom wall 4 in the direction of arrow 10, so that the lip edge 9 is moved radially inward (arrow 11) until it moves with it its end face 9a rests in a ring on the ring-shaped article surface 8a and thus seals the interior of the article from the atmosphere. In the transition region 12, in which the surfaces 4a of the bottom wall 4 and 9a of the sealing lip edge 9 adjoining the article 8, 8a adjoin one another, a depression 13 facing away from the article is introduced, which advantageously has the semicircular shape shown in the longitudinal section of the drawing, but also has a different design Shapes can have as shown. The sharp outer edge of the filter end 8a is located in the region of the depression, so that it comes on when the cigarette 8 is pressed on the bottom wall 4 can not cause damage to the surface 4a for sealing.
According to the invention, the sealing element 1 can also be used to conduct test air from the article 8, that is, for. B. out of the cigarette serve. According to the invention, it can also be used for those test tasks in which an overpressure or underpressure is generated in the interior of the article, a pneumatic signal which is dependent on the condition of the casing being used as the measurement signal.

Claims (3)

  1. A sealing element for guiding testing air to or from rod-shaped articles of the tobacco-processing industry, this element being of resilient material and having an axially displaceable base wall with an aperture for the testing air, and an annular sealing lip which deforms radially in dependence on displacement of the base wall, characterized in that an annular depression (13) remote from the end face of the articles is provided in the region (12) in which the sealing lip (9) and the base wall (4) adjoin one another at their surfaces (9a and 4a) adjacent to the articles (8, 8a).
  2. An apparatus according to Claim 1, characterized in that the annular depression (13) has at least approximately the shape of a semi-circle in a longitudinal section.
  3. A sealing element according to Claim 1 and/or 2, characterized in that at least the sealing lip (9) is made of resilient material, such as rubber, resilient plastics material, silicone and the like.
EP93119243A 1992-12-11 1993-11-30 Sealing element for guiding the testing fluid Expired - Lifetime EP0601435B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4241798 1992-12-11
DE4241798A DE4241798A1 (en) 1992-12-11 1992-12-11 Sealing element for conducting test air

Publications (2)

Publication Number Publication Date
EP0601435A1 EP0601435A1 (en) 1994-06-15
EP0601435B1 true EP0601435B1 (en) 1997-03-12

Family

ID=6475009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119243A Expired - Lifetime EP0601435B1 (en) 1992-12-11 1993-11-30 Sealing element for guiding the testing fluid

Country Status (6)

Country Link
US (1) US5369985A (en)
EP (1) EP0601435B1 (en)
JP (1) JP3722377B2 (en)
CN (1) CN1036436C (en)
DE (2) DE4241798A1 (en)
ES (1) ES2100431T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721595A (en) * 2012-06-15 2012-10-10 成都瑞拓科技实业有限责任公司 Double-glue-sheath combined vacuum control type switching device for tobacco filter measurement

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855747A1 (en) * 1998-12-03 2000-06-08 Decoufle Sarl Seal for ends of non-round rod-shaped articles of the tobacco processing industry
CA2586109C (en) * 2004-11-10 2009-12-29 Japan Tobacco Inc. Apparatus for inspecting ventilation of filter cigarettes
GB2481256B (en) * 2010-06-18 2017-05-17 Honda Motor Co Ltd Workpiece inspecting method and workpiece inspecting tool
CN103115728A (en) * 2011-11-16 2013-05-22 中国北方车辆研究所 Sealing test temperature rise testing method
ITBO20120174A1 (en) * 2012-03-30 2013-10-01 Helium Technology S R L CLOSING AND / OR HOLDING DEVICE
US10412993B2 (en) 2017-07-12 2019-09-17 Altria Client Services Llc Cigar holder assembly for a smoke machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1016502A (en) * 1961-08-03 1966-01-12 Kurt Koerber Method and apparatus for detecting and rejecting substandard rod-like articles such as cigarettes
GB1069421A (en) * 1963-02-08 1967-05-17 Kurt Koerber Apparatus for manipulating cigarettes or other airpermeable rod-like articles
GB1114290A (en) * 1965-01-23 1968-05-22 Hauni Werke Koerber & Co Kg Improvements in or relating to apparatus for testing cigarettes and other rod-like articles
DE2150186A1 (en) * 1971-10-08 1973-04-12 Hauni Werke Koerber & Co Kg DEVICE FOR CHECKING CIGARETTES OR SIMILAR ROD-SHAPED OBJECTS LYING IN THE RECEPTIONS OF A CONVEYOR
DE2317295C2 (en) * 1973-04-06 1986-01-02 Hauni-Werke Körber & Co KG, 2050 Hamburg Method and device for testing the wrapping material of transversely axially conveyed rod-shaped articles
US4171635A (en) * 1978-10-30 1979-10-23 Liggett Group Inc. Apparatus for measuring smoke dilution in a vented-filter cigarette
IT1211129B (en) * 1980-11-03 1989-09-29 Hauni Werke Koerber & Co Kg DEVICE FOR THE CONTROL OF STICK-SHAPED ITEMS OF THE TOBACCO PROCESSING INDUSTRY GIACENTI IN THE RECIPES OF A CONVEYOR.
US4528841A (en) * 1983-02-16 1985-07-16 Hauni-Werke Korber & Co. Kg Apparatus for testing cigarettes and the like
US4630466A (en) * 1983-10-08 1986-12-23 Hauni-Werke Korber & Co. Kg. Apparatus for testing rod-shaped articles of the tobacco processing industry
DE3434928A1 (en) * 1983-10-08 1985-04-18 Hauni-Werke Körber & Co KG, 2050 Hamburg Apparatus for testing rod-like articles of the tobacco processing industry which are situated in reception devices of a conveyor
IT1228200B (en) * 1988-01-28 1991-06-05 Hauni Werke Koerber & Co Kg PROCEDURE AND DEVICE FOR DEFINING THE DEGREE OF VENTILATION OF STICK ARTICLES OF THE TOBACCO PROCESSING INDUSTRY.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721595A (en) * 2012-06-15 2012-10-10 成都瑞拓科技实业有限责任公司 Double-glue-sheath combined vacuum control type switching device for tobacco filter measurement
CN102721595B (en) * 2012-06-15 2014-04-09 成都瑞拓科技实业有限责任公司 Double-glue-sheath combined vacuum control type switching device for tobacco filter measurement

Also Published As

Publication number Publication date
EP0601435A1 (en) 1994-06-15
DE4241798A1 (en) 1994-06-16
JP3722377B2 (en) 2005-11-30
US5369985A (en) 1994-12-06
JPH06277031A (en) 1994-10-04
CN1036436C (en) 1997-11-19
ES2100431T3 (en) 1997-06-16
CN1090991A (en) 1994-08-24
DE59305743D1 (en) 1997-04-17

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